In the postscreening Q & A, retired Soviet Adm. Vitaly Agafonov shocked former Defense secretary Robert McNamara and other former American officials: "We had 22 torpedoes on each submarine and we had one nuclear torpedo per submarine," he revealed.

During the postscreening Q&A with the film's co-writer and director, Laurent Cantet, quite a few of the Toronto teachers disagreed with the choices made by François Bégaudeau, a real teacher of 10 years who plays a version of himself onscreen.